Home / 126,142.98-189,168.30-41,887.86

Finding the Fourth Proportional to 126,142.98, 189,168.30 and 41,887.86

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Solution

The fourth proportional to 126,142.98, 189,168.30 and 41,887.86 is: 62,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,142.98 : 189,168.30 = 41,887.86 : x
  2. Step 2: Convert to fraction form
    126,142.98/189,168.30 = 41,887.86/x
  3. Step 3: Cross multiply
    126,142.98x = 189,168.30 × 41,887.86
  4. Step 4: Simplify right side
    126,142.98x = 7,923,855,266.84
  5. Step 5: Solve for x
    x = 7,923,855,266.84/126,142.98
  6. Step 6: Final answer
    x = 62,816.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.